Edit C:\ProgramData\Mozilla\updates\308046B0AF4A39CB\updates.xml
<?xml version="1.0"?><updates xmlns="http://www.mozilla.org/2005/app-update"><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="88.0" buildID="20210415204500" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/88.0/releasenotes/" displayVersion="88.0" installDate="1620155635283" isCompleteUpdate="true" name="Firefox 88.0" previousAppVersion="86.0.1" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/86.0.1/20210310152336/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)/ISET:SSE3,MEM:16383/default/default/update.xml" type="minor" statusText="No se pudo instalar la actualización (fallo al aplicar el parche)" actions="showURL" openURL="https://www.mozilla.org/firefox/88.0/whatsnew/all/?oldversion=%OLD_VERSION%"><patch size="60835614" type="complete" URL="https://download.mozilla.org/?product=firefox-88.0-complete&os=win64&lang=es-ES" selected="true" state="downloading" hashFunction="sha512" hashValue="1d354600606134da92ad17cf5312291f992347f7e7b53068d0978eb84e2105b6c775a999ff46caef99a51e1e64bb540e93df26bfbe460336c03511ecea6acab4" bitsId="{34FAB000-B20F-42D0-B6D3-A5B0D55366A2}"/><patch size="18514544" type="partial" URL="https://download.mozilla.org/?product=firefox-88.0-partial-86.0.1&os=win64&lang=es-ES" errorCode="79" state="failed" hashFunction="sha512" hashValue="8495685ca1f1dbb6530a0fee3dd0965e6eff7183bec69b36c3621aab0ce4a77a1f0b71c37d15b0d6ba5b6a9cb265904d4fa81e5f8ab899f30cae0fff8835464b" bitsId="{E1EF8856-030C-4933-8404-20BD5DE4BAF1}" bitsResult="0"/></update><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="86.0.1" buildID="20210310152336" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/86.0.1/releasenotes/" displayVersion="86.0.1" installDate="1615689433882" isCompleteUpdate="false" name="Firefox 86.0.1" previousAppVersion="86.0" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/86.0/20210222142601/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)/ISET:SSE3,MEM:16383/default/default/update.xml" type="minor" statusText="La actualización se instaló correctamente"><patch size="60125652" type="complete" URL="https://download.mozilla.org/?product=firefox-86.0.1-complete&os=win64&lang=es-ES" hashFunction="sha512" hashValue="9cd32d054951eb3a40cc29265d3db8ed628574a98edebcbc7682f95020bafedb104e5543058ed2c3ec58973b898b620262a4ca7821fec414e12f7aa6e6d4b771"/><patch size="7019456" type="partial" URL="https://download.mozilla.org/?product=firefox-86.0.1-partial-86.0&os=win64&lang=es-ES" selected="true" state="succeeded" hashFunction="sha512" hashValue="47446a353f948f478119751a0998f397e8a51485638e91a73f37f9c6d3b5758dc5a346f40b4aac804067d4d89141dedbfd5846e2a8a117d3bcd0eb3b200e8aac" bitsId="{2A2DACC3-4EA9-4D20-BFC7-2282D2BBBB17}" bitsResult="0"/></update><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="86.0" buildID="20210222142601" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/86.0/releasenotes/" displayVersion="86.0" installDate="1614916002389" isCompleteUpdate="true" name="Firefox 86.0" previousAppVersion="78.0.1" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/78.0.1/20200630195452/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)/ISET:SSE3,MEM:16383/default/default/update.xml" type="minor" statusText="La actualización se instaló correctamente" actions="showURL" openURL="https://www.mozilla.org/firefox/86.0/whatsnew/all/?oldversion=%OLD_VERSION%"><patch size="60076572" type="complete" URL="https://download.mozilla.org/?product=firefox-86.0-complete&os=win64&lang=es-ES" selected="true" state="succeeded" hashFunction="sha512" hashValue="58a79447df3d0f2ea9df4609d7a0b5b8cbd1c280481ee247901e61fde1aa50e94af5755c9832c4dad74e35d4ddfb35b014e6245478871e7b2f6e92c1a1c79014" bitsId="{7EBFA103-FFBD-409B-9A82-1D6C63A8E7BD}" bitsResult="0"/></update><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="78.0.1" buildID="20200630195452" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/78.0.1/releasenotes/" displayVersion="78.0.1" installDate="1593816281729" isCompleteUpdate="true" name="Firefox 78.0.1" previousAppVersion="75.0" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/75.0/20200403170909/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)/ISET:SSE3,MEM:16383/default/default/update.xml" type="minor" statusText="La actualización se instaló correctamente" actions="showURL" openURL="https://www.mozilla.org/es-ES/firefox/78.0.1/whatsnew/?oldversion=%OLD_VERSION%"><patch size="58176867" type="complete" URL="http://download.mozilla.org/?product=firefox-78.0.1-complete&os=win64&lang=es-ES" selected="true" state="succeeded" hashFunction="sha512" hashValue="db08758744c4b38f19a3a853dd8abba4386c7b4e9353fba41dda6685b50f5e9e0aa21bdc1aa47f671766570fdfff1dd2b2a5b928bcbdb8ae29ca1aed8cffa207" bitsId="{16294A9D-6292-4178-A475-4589FF7AF3AA}" bitsResult="0"/></update><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="75.0" buildID="20200403170909" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/75.0/releasenotes/" displayVersion="75.0" installDate="1587587176566" isCompleteUpdate="true" name="Firefox 75.0" previousAppVersion="72.0.2" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/72.0.2/20200117190643/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)/ISET:SSE3,MEM:16383/default/default/update.xml" type="minor" statusText="La actualización se instaló correctamente" actions="showURL" openURL="https://www.mozilla.org/es-ES/firefox/75.0/whatsnew/?oldversion=%OLD_VERSION%" checkInterval="1"><patch size="55557473" type="complete" URL="http://download.mozilla.org/?product=firefox-75.0-complete&os=win64&lang=es-ES" selected="true" state="succeeded" hashFunction="sha512" hashValue="fc20aec372f1b70b99728bd9c63b64e1f2af3e44420911f1f9b62684f7227c1bc51efc99554e25302b8fdf7e270e14b4015f63c0b14822fcd19ba482e7dd4fc9" bitsDownloadStart="1587587162" bitsId="{E4EC51CC-4765-4E8F-AE99-E12D1ABD2185}" bitsSeconds="7" bitsBytes="55557473" bitsDownloadFinished="1587587176" bitsResult="0" stageStart="1587587176" stageFinished="1587587182" applyStart="1587587181"/></update><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="72.0.2" buildID="20200117190643" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/72.0.2/releasenotes/" displayVersion="72.0.2" installDate="1587586819615" isCompleteUpdate="false" name="Firefox 72.0.2" previousAppVersion="70.0.1" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/70.0.1/20191030021342/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)/ISET:SSE3,MEM:16383/default/default/update.xml" type="minor" statusText="La actualización se instaló correctamente" checkInterval="43"><patch size="54740576" type="complete" URL="http://download.mozilla.org/?product=firefox-72.0.2-complete&os=win64&lang=es-ES" hashFunction="sha512" hashValue="b9fdcdf4048cdf707930d9ecae2bc864d54486f9548727ddd513b4efd2656275e0ae14f045df1ced9290193b2907a62f1b4051cba70084a88607789e0e658489"/><patch size="29450829" type="partial" URL="http://download.mozilla.org/?product=firefox-72.0.2-partial-70.0.1&os=win64&lang=es-ES" selected="true" state="succeeded" hashFunction="sha512" hashValue="0fc2a49262988e0ca21a1e3b9601c81d5238e8d0ba02bd8a41f367ed6e16a86b4dfb81aec57955fab131baa0144b021dfb66a0efb17800e03835e7e1eef4b9f5" bitsDownloadStart="1587586798" bitsId="{88C60D81-E012-4A93-91F9-43B173A1A3D9}" bitsSeconds="3" bitsBytes="29450829" bitsDownloadFinished="1587586819" bitsResult="0" stageStart="1587586819" stageFinished="1587586838" applyStart="1587586837"/></update><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="70.0.1" buildID="20191030021342" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/70.0.1/releasenotes/" displayVersion="70.0.1" installDate="1572617008576" isCompleteUpdate="false" name="Firefox 70.0.1" previousAppVersion="66.0.5" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/66.0.5/20190507012018/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)/ISET:SSE3,MEM:12287/default/default/update.xml" type="minor" statusText="La actualización se instaló correctamente" actions="showURL" openURL="https://www.mozilla.org/es-ES/firefox/70.0.1/whatsnew/?oldversion=%OLD_VERSION%"><patch size="55485645" type="complete" URL="http://download.mozilla.org/?product=firefox-70.0.1-complete&os=win64&lang=es-ES" finalURL="http://download.cdn.mozilla.net/pub/firefox/releases/70.0.1/update/win64/es-ES/firefox-70.0.1.complete.mar" selected="true" state="succeeded" hashFunction="sha512" hashValue="41f0130d716fb5d04ea3730e6e3358664388287e57f0e178569dcbfad5ff34fc97c03571a6f5f86e09a237a36851691491307215e9f8c2c7014e5b12823ed4c4"/></update><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="66.0.5" buildID="20190507012018" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/66.0.5/releasenotes/" displayVersion="66.0.5" installDate="1558032864101" isCompleteUpdate="false" name="Firefox 66.0.5" previousAppVersion="66.0.2" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/66.0.2/20190326175229/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)/ISET:SSE3,MEM:10239/default/default/update.xml?force=1" type="minor" statusText="La actualización se instaló correctamente" foregroundDownload="true"><patch size="49596992" type="complete" URL="http://download.mozilla.org/?product=firefox-66.0.5-complete&os=win64&lang=es-ES&force=1" hashFunction="sha512" hashValue="93ca5d1fff4d20a4495c209915e7b6c06e52293d71d018159f3ad7f32e4f64ccdf0f5aac1904420a7ec91ec65ee24c6eae0020e43bb83ce7d890c596503e9140"/><patch size="6184631" type="partial" URL="http://download.mozilla.org/?product=firefox-66.0.5-partial-66.0.2&os=win64&lang=es-ES&force=1" finalURL="http://download.cdn.mozilla.net/pub/firefox/releases/66.0.5/update/win64/es-ES/firefox-66.0.2-66.0.5.partial.mar" selected="true" state="succeeded" hashFunction="sha512" hashValue="39c3b2735b44306f96170b12a6974ce71c40823100a7f73354d0d2efe4deb7af0f9c3bc8bcc2c9dfefbda2aa9cc04ec92afae86c960f1de78c3fb4577ee751c9"/></update><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="66.0.2" buildID="20190326175229" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/66.0.2/releasenotes/" displayVersion="66.0.2" installDate="1554847871723" isCompleteUpdate="false" name="Firefox 66.0.2" previousAppVersion="65.0.1" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/65.0.1/20190211233335/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)/ISET:SSE3,MEM:10239/default/default/update.xml?force=1" type="minor" statusText="La actualización se instaló correctamente" backgroundInterval="0" actions="showURL" openURL="https://www.mozilla.org/es-ES/firefox/66.0.2/whatsnew/?oldversion=%OLD_VERSION%" foregroundDownload="true"><patch size="49634856" type="complete" URL="http://download.mozilla.org/?product=firefox-66.0.2-complete&os=win64&lang=es-ES&force=1"/><patch size="17613015" type="partial" URL="http://download.mozilla.org/?product=firefox-66.0.2-partial-65.0.1&os=win64&lang=es-ES&force=1" finalURL="http://download.cdn.mozilla.net/pub/firefox/releases/66.0.2/update/win64/es-ES/firefox-65.0.1-66.0.2.partial.mar" selected="true" state="succeeded"/></update><update xmlns="http://www.mozilla.org/2005/app-update" appVersion="65.0.1" buildID="20190211233335" channel="release" detailsURL="https://www.mozilla.org/es-ES/firefox/65.0.1/releasenotes/" displayVersion="65.0.1" installDate="1550667895716" isCompleteUpdate="false" name="Firefox 65.0.1" previousAppVersion="63.0.3" promptWaitTime="691200" serviceURL="https://aus5.mozilla.org/update/6/Firefox/63.0.3/20181114214635/WINNT_x86_64-msvc-x64/es-ES/release/Windows_NT%206.1.1.0.7601%20(x64)(noBug1296630v1)(nowebsense)/ISET:SSE3,MEM:10239/default/default/update.xml" type="minor" statusText="La actualización se instaló correctamente" backgroundInterval="0" actions="showURL" openURL="https://www.mozilla.org/es-ES/firefox/65.0.1/whatsnew/?oldversion=%OLD_VERSION%"><patch size="49323064" type="complete" URL="http://download.mozilla.org/?product=firefox-65.0.1-complete&os=win64&lang=es-ES"/><patch size="22110914" type="partial" URL="http://download.mozilla.org/?product=firefox-65.0.1-partial-63.0.3&os=win64&lang=es-ES" finalURL="http://download.cdn.mozilla.net/pub/firefox/releases/65.0.1/update/win64/es-ES/firefox-63.0.3-65.0.1.partial.mar" selected="true" state="succeeded"/></update></updates>
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