Installer Service failing with Error 9. Archived from groups microsoft. More infoThis may or may not be related to your problem but, A few weeks ago I started having problems with MSI3. Veritas Backup Exec. Liste de tous les codes derreurs rencontrs avec Microsoft Windows Update Agent pour Vista Windows Vista Update Error code. I am trying to install a program and I get a message saying that Windows Installer Service could not be accessed. Can anyone help me out The errors returned by the Windows Installer service are unique to MSI setups, each one providing some level of help to specify a problem, check each below for details. The Windows Installer service could not be accessed Contact your support personnel Solved Duration 328. PRABHAT KUMAR SINGH 6,726 views. Error The Windows Installer Service Could Not Be Accessed' title='Error The Windows Installer Service Could Not Be Accessed' />Error The Windows Installer Service Could Not Be Accessed PortI could not remove or install anything and my tape drives were in an Offline status. I contacted my vendor about the strange problems I was having and he said that I needed to boot into safe mode and disable my APC services. Error The Windows Installer Service Could Not Be Accessed MeansHe indicated to me a problem with my APC software version 6. Windows components and Applications. I made the corrections and my system started working properly. The Windows Installer Service could not be accessed. This Copy Is Not Genuine Windows 7 Crack Activator. This can occur if the Windows Installer is not correctly installed. Contact your support personnel for assistance. I wouldnt have thought another application would cause these seemingly unrelated problems,but it did. APC artical. http www. IDDEA0. 20. F8 5. D3. E9. 6B2. 13. 4AFF1. E8vf. Nh plva pfaqid7. F9zcm. No. PSZw. X2dya. WRzb. 3J0. PSZw. X3. Jvd. 19jbn. Q9. NTAx. Jn. Bfc. GFn. ZT0x pliThomas wrote Recently I have a Windows 2. SP4 When manually starting up the Windows installer Service 3. I get a dialog box stating that Could not start Windows Installer Service on local computer Error 9. IO operation is in progress In the event viewer I get a 7. Event ID with the same message. I can be reached at teamstonehotmail.